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What Causes High Transmission Temperature?

1 Answers

OEverly

07/30/25 3:37am

Here are the reasons for transmission overheating: 1. Engine and coolant temperature too high: Prolonged or overloaded engine operation raises coolant temperature, affecting transmission cooling. Additionally, insufficient coolant in the radiator reduces the cooling system's efficiency, leading to transmission overheating; 2. Transmission clutch slipping: Clutch slippage generates additional heat, raising transmission temperature and degrading transmission oil quality, which accelerates transmission wear; 3. Thermostat stuck: A stuck transmission thermostat prevents oil from entering the cooling system, leaving transmission heat uncooled; 4. Insufficient transmission fluid: Low transmission fluid levels increase gearshift jerkiness and reduce cooling effectiveness, causing temperature rise and potential internal component damage.

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